If a bricklayer starts with 50 bricks on the top row and decreases the count by 2 bricks per row, how many bricks will the third row have?

The top row has 50 bricks. Each following row has 2 fewer, so the second row has 50 − 2 = 48 bricks and the third has 48 − 2 = 46 bricks. The third row therefore has 46 bricks, choice B.

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